stateful-mtl-1.0.7: Typeclass instances for monad transformer stacks with an ST thread at the bottom.
Control.Monad.Trans.Operations
repeatMaybe :: Monad m => MaybeT m a -> ListT m aSource
statefully :: MonadState s m => (s -> (a, s)) -> m aSource
(>>=?) :: Monad m => m (Maybe a) -> (a -> m ()) -> m ()Source
execMaybeT :: Monad m => MaybeT m () -> m ()Source